From 7602eeda4fef4cf960cdf869b3f7c648c91f916f Mon Sep 17 00:00:00 2001
From: Matt Rickard <mrick@google.com>
Date: Thu, 11 May 2017 10:51:47 -0700
Subject: [PATCH] Add script to automate localkube upgrades

---
 Makefile                   |  7 ++++---
 hack/godeps/upgrade-k8s.sh | 42 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+), 3 deletions(-)
 create mode 100755 hack/godeps/upgrade-k8s.sh

diff --git a/Makefile b/Makefile
index 9d7674eb20..7ffd809b8b 100644
--- a/Makefile
+++ b/Makefile
@@ -50,7 +50,8 @@ PYTHON := $(shell command -v python || echo "docker run --rm -it -v $(shell pwd)
 BUILD_OS := $(shell uname -s)
 
 LOCALKUBE_VERSION := $(shell $(PYTHON) hack/get_k8s_version.py --k8s-version-only 2>&1)
-LOCALKUBE_BUCKET := gs://minikube/k8sReleases
+LOCALKUBE_BUCKET ?= minikube/k8sReleases
+LOCALKUBE_UPLOAD_LOCATION := gs://${LOCALKUBE_BUCKET}
 TAG ?= $(LOCALKUBE_VERSION)
 
 # Set the version information for the Kubernetes servers, and build localkube statically
@@ -182,8 +183,8 @@ check-release:
 
 .PHONY: release-localkube
 release-localkube: out/localkube checksum
-	gsutil cp out/localkube $(LOCALKUBE_BUCKET)/$(LOCALKUBE_VERSION)/localkube-linux-amd64
-	gsutil cp out/localkube.sha256 $(LOCALKUBE_BUCKET)/$(LOCALKUBE_VERSION)/localkube-linux-amd64.sha256
+	gsutil cp out/localkube $(LOCALKUBE_UPLOAD_LOCATION)/$(LOCALKUBE_VERSION)/localkube-linux-amd64
+	gsutil cp out/localkube.sha256 $(LOCALKUBE_UPLOAD_LOCATION)/$(LOCALKUBE_VERSION)/localkube-linux-amd64.sha256
 
 .PHONY: update-releases
 update-releases:
diff --git a/hack/godeps/upgrade-k8s.sh b/hack/godeps/upgrade-k8s.sh
new file mode 100755
index 0000000000..8b323190b2
--- /dev/null
+++ b/hack/godeps/upgrade-k8s.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# Copyright 2016 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This script expects 
+# K8S_VERSION = the version of kubernetes to be upgraded
+# REMOTE = the name of the git remote repository
+
+KUBE_ORG_ROOT=$GOPATH/src/k8s.io
+KUBE_ROOT=${KUBE_ORG_ROOT}/kubernetes
+MINIKUBE_ROOT=${KUBE_ORG_ROOT}/minikube
+
+UPSTREAM_REMOTE=${REMOTE:-origin}
+
+echo "Restoring old dependencies..."
+${MINIKUBE_ROOT}/hack/godeps/godep-restore.sh
+
+# Upgrade kubernetes
+pushd ${KUBE_ROOT} >/dev/null
+  echo "Upgrading to version ${K8S_VERSION}..."
+  git fetch ${UPSTREAM_REMOTE}
+  git checkout ${K8S_VERSION}
+  ./hack/godep-restore.sh
+popd >/dev/null
+
+echo "Saving new minikube dependencies..."
+${MINIKUBE_ROOT}/hack/godeps/godep-save.sh
+
+LOCALKUBE_BUCKET="minikube-builds/localkube-builds/${K8S_VERSION}" make release-localkube
+